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St Michael's Mount, Cornwall, England, UKi
Regional Level Types
St Michael's MountMountain
CornwallCounty
EnglandConstituent Country
UKCountry

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Latitude & Longitude (WGS84):
50° 7' 2'' North , 5° 28' 39'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SW513298
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Marazion1,294 (2017)0.9km
Penzance19,872 (2017)4.2km
Mousehole697 (2017)5.8km
Madron626 (2017)6.4km
Germoe175 (2017)7.0km
Mindat Locality ID:
1071
Long-form identifier:
mindat:1:2:1071:2
GUID (UUID V4):
7ef5eea4-b8df-4994-bdca-dae3b3fc2ce6
Other Languages:
Cornish:
Carrek Loos y'n Coos, Kernow, Pow Sows, Ruwvaneth Unys
French:
St Michael's Mount, Cornouailles, Angleterre, Royaume-Uni
German:
St. Michael’s Mount, Cornwall, England, Vereinigtes Königreich
Italian:
St Michael's Mount, Cornovaglia, Inghilterra, Regno Unito
Russian:
Сент-Майклз-Маунт, Корнуолл, Англия, Великобритания
Simplified Chinese:
聖邁克爾山, 康沃爾郡, 英格兰, 英国
Spanish:
St Michael's Mount, Cornualles, Inglaterra, Reino Unido
Basque:
St Michael's Mount, Kornualles, Ingalaterra, Erresuma Batua
Breton:
Karrek Loos y'n Koos, Kernev-Veur, Bro-Saoz, Rouantelezh-Unanet
Catalan:
St Michael's Mount, Cornualla, Anglaterra, Regne Unit
Cebuano:
St Michael's Mount, Cornwall, Inglatera, Hiniusang Gingharian
Danish:
St Michael's Mount, Cornwall, England, Storbritannien
Dutch:
St Michael's Mount, Cornwall, Engeland, Verenigd Koninkrijk
Esperanto:
Monto Sankta Mikaelo, Kornvalo, Anglio, Unuiĝinta Reĝlando
Estonian:
St Michael's Mount, Cornwall, Inglismaa, Suurbritannia
Hebrew:
גבעת סנט מייקל, קורנוול, אנגליה, הממלכה המאוחדת
Japanese:
セント・マイケルズ・マウント, コーンウォール, イングランド, イギリス
Latin:
Mons Sancti Michaelis , Cornubia, Anglia, Britanniarum regnum
Norwegian:
St Michael's Mount, Cornwall, England, Storbritannia
Norwegian (Nynorsk):
St Michael's Mount, Cornwall, England, Storbritannia
Polish:
St Michael's Mount, Kornwalia, Anglia, Wielka Brytania
Slovenian:
St. Michael's Mount, Cornwall, Anglija, Združeno kraljestvo Velike Britanije in Severne Irske
Swedish:
St Michael's Mount, Cornwall, England, Storbritannien


St Michael's Mount Civil Parish.

A vein of cassiterite runs out to sea from the seaward side of the mount.

Note: This is now a vigorously protected SSSI so no collecting.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


20 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Arsenopyrite
Formula: FeAsS
Beryl
Formula: Be3Al2(Si6O18)
Cassiterite
Formula: SnO2
Chalcopyrite
Formula: CuFeS2
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Fluorite
Formula: CaF2
Galena
Formula: PbS
'Garnet Group'
Formula: X3Z2(SiO4)3
Kësterite
Formula: Cu2ZnSnS4
Description: According to Moore and Howie (1984), kesterite is the most abundant tin-bearing sulfide at this locality. Most of the "stannite" previously reported is in fact misidentified kesterite, while true stannite is very rare and was detected in only two of more than 100 samples studied.
'Lepidolite'
Löllingite
Formula: FeAs2
Malachite
Formula: Cu2(CO3)(OH)2
Orthoclase
Formula: K(AlSi3O8)
'Pinite'
Quartz
Formula: SiO2
Quartz var. Citrine
Formula: SiO2
Quartz var. Rock Crystal
Formula: SiO2
Quartz var. Rose Quartz
Formula: SiO2
Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Sphalerite
Formula: ZnS
Stannite
Formula: Cu2FeSnS4
Description: According to Moore and Howie (1984), stannite is a rare mineral at this locality, which was detected in only two of more than 100 samples studied. In both cases, it formed a narrow rim between kesterite and quartz. Most of the "stannite" previously reported is in fact misidentified kesterite, while the "yellow stannite" reported by some authors proved to be stannoidite.
Stannoidite
Formula: Cu+6Cu2+2(Fe2+,Zn)3Sn2S12
Description: According to Moore and Howie (1984), stannoidite occurs abundantly at this locality. Their results suggest that most of the "yellow stannite" previously reported is in fact stannoidite.
Stibnite
Formula: Sb2S3
Topaz
Formula: Al2(SiO4)(F,OH)2
'Wolframite Group'
Zippeite
Formula: K3(UO2)4(SO4)2O3(OH) · 3H2O

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Kësterite2.CB.15aCu2ZnSnS4
Stannite2.CB.15aCu2FeSnS4
Stannoidite2.CB.15cCu+6Cu2+2(Fe2+,Zn)3Sn2S12
Galena2.CD.10PbS
Stibnite2.DB.05Sb2S3
Löllingite2.EB.15aFeAs2
Arsenopyrite2.EB.20FeAsS
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var. Rose Quartz4.DA.05SiO2
var. Rock Crystal4.DA.05SiO2
var. Citrine4.DA.05SiO2
Cassiterite4.DB.05SnO2
'Wolframite Group'4.DB.30 va
Group 5 - Nitrates and Carbonates
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Zippeite7.EC.05K3(UO2)4(SO4)2O3(OH) · 3H2O
Group 9 - Silicates
Topaz9.AF.35Al2(SiO4)(F,OH)2
Beryl9.CJ.05Be3Al2(Si6O18)
Cordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
Schorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Actinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Orthoclase9.FA.30K(AlSi3O8)
Unclassified
'Lepidolite'-
'Pinite'-
'Garnet Group'-X3Z2(SiO4)3
'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
H Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
H MalachiteCu2(CO3)(OH)2
H SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
H TopazAl2(SiO4)(F,OH)2
H ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O
H ApatiteCa5(PO4)3(Cl/F/OH)
BeBeryllium
Be BerylBe3Al2(Si6O18)
BBoron
B SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
C MalachiteCu2(CO3)(OH)2
OOxygen
O Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
O BerylBe3Al2(Si6O18)
O CassiteriteSnO2
O Quartz var. CitrineSiO2
O Cordierite(Mg,Fe)2Al3(AlSi5O18)
O MalachiteCu2(CO3)(OH)2
O OrthoclaseK(AlSi3O8)
O QuartzSiO2
O Quartz var. Rose QuartzSiO2
O SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
O TopazAl2(SiO4)(F,OH)2
O ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O
O Quartz var. Rock CrystalSiO2
O Garnet GroupX3Z2(SiO4)3
O ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
F FluoriteCaF2
F TopazAl2(SiO4)(F,OH)2
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mg Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mg Cordierite(Mg,Fe)2Al3(AlSi5O18)
AlAluminium
Al BerylBe3Al2(Si6O18)
Al Cordierite(Mg,Fe)2Al3(AlSi5O18)
Al OrthoclaseK(AlSi3O8)
Al SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Al TopazAl2(SiO4)(F,OH)2
SiSilicon
Si Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Si BerylBe3Al2(Si6O18)
Si Quartz var. CitrineSiO2
Si Cordierite(Mg,Fe)2Al3(AlSi5O18)
Si OrthoclaseK(AlSi3O8)
Si QuartzSiO2
Si Quartz var. Rose QuartzSiO2
Si SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Si TopazAl2(SiO4)(F,OH)2
Si Quartz var. Rock CrystalSiO2
Si Garnet GroupX3Z2(SiO4)3
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S ArsenopyriteFeAsS
S ChalcopyriteCuFeS2
S GalenaPbS
S KësteriteCu2ZnSnS4
S SphaleriteZnS
S StanniteCu2FeSnS4
S StannoiditeCu6+Cu22+(Fe2+,Zn)3Sn2S12
S StibniteSb2S3
S ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K OrthoclaseK(AlSi3O8)
K ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O
CaCalcium
Ca Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Ca FluoriteCaF2
Ca ApatiteCa5(PO4)3(Cl/F/OH)
FeIron
Fe Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Fe ArsenopyriteFeAsS
Fe ChalcopyriteCuFeS2
Fe Cordierite(Mg,Fe)2Al3(AlSi5O18)
Fe LöllingiteFeAs2
Fe SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Fe StanniteCu2FeSnS4
Fe StannoiditeCu6+Cu22+(Fe2+,Zn)3Sn2S12
CuCopper
Cu ChalcopyriteCuFeS2
Cu KësteriteCu2ZnSnS4
Cu MalachiteCu2(CO3)(OH)2
Cu StanniteCu2FeSnS4
Cu StannoiditeCu6+Cu22+(Fe2+,Zn)3Sn2S12
ZnZinc
Zn KësteriteCu2ZnSnS4
Zn SphaleriteZnS
Zn StannoiditeCu6+Cu22+(Fe2+,Zn)3Sn2S12
AsArsenic
As ArsenopyriteFeAsS
As LöllingiteFeAs2
SnTin
Sn CassiteriteSnO2
Sn KësteriteCu2ZnSnS4
Sn StanniteCu2FeSnS4
Sn StannoiditeCu6+Cu22+(Fe2+,Zn)3Sn2S12
SbAntimony
Sb StibniteSb2S3
PbLead
Pb GalenaPbS
UUranium
U ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O

Geochronology

Mineralization age: Permian : 284 ± 4 Ma

Important note: This table is based only on rock and mineral ages recorded on mindat.org for this locality and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.

Geologic TimeRocks, Minerals and Events
Phanerozoic
 Paleozoic
  Permian
   Guadalupian
ⓘ Major polymetallic mineralization~270 MaCornwall, England, UK
   Cisuralian
ⓘ Porphyry dikes intruded (latest age)~275 MaCornwall, England, UK
ⓘ Greisenization (latest age)~280 MaCornwall, England, UK
ⓘ Porphyry dikes intruded (earliest age)~280 MaCornwall, England, UK
ⓘ Greisen284 ± 4 Ma
ⓘ Formation of metallized pegmatites~285 MaCornwall, England, UK
ⓘ Greisenization (earliest age)~285 MaCornwall, England, UK
ⓘ Emplacement of major plutons~295 MaCornwall, England, UK

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/St_Michael%27s_Mount
Wikidata ID:Q1431121
GeoNames ID:7294222

Other Regions, Features and Areas containing this locality

British and Irish IslesGroup of Islands
Eurasian PlateTectonic Plate
UK

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

 
Mineral and/or Locality  
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